The fixed panel on http://mondaybynoon.com/ disappears, when the window has a width<960. No JS is used for that. Can someone explain, how it is implemented?
He is use media query
for that responsive website.
You can define in HTML
like this:
<link rel='stylesheet' media='screen and (max-width: 900px)' href='css/medium.css' />
OR
You can define in CSS
like this:
@media screen and (max-width: 900px){
body {
background: #ccc;
}
}
check these articles for more http://css-tricks.com/css-media-queries/ , http://coding.smashingmagazine.com/2011/01/12/guidelines-for-responsive-web-design/